Palm os web applications

1. Find step-by-step instructions for creating your first Web clipping application.
2. Build WCAs Using HTML. Learn about the HTML 3.2 subset that Web clipping supports.
3. Use Images in Web Clipping. See how to make use of images to enhance your Web clipping applications
4. Interact with Forms. See how to capture user input on the device for delivery to and processing by server-based scripts.
5. Optimize WCAs for the Palm. See how you can make your Web content look great on Palm handhelds.
6. Debug Web Clipping Applications. Learn the skills you need write error free applications.
7. Identify Users and Sessions. Get explanation of how you can maintain state within applications.
8. Locate Mobile Users. See how to create location-based services for handheld Web applications.

Table of Contents

Chapter 1 Introducing Web Clipping · What Is Web Clipping? · Loading Web Clipping Applications on Your Device · Loading Web Clipping Applications on the Palm OS Emulator · Using Clipper · Using Clipper on Palm Devices · Using Clipper to Get Access to Web Information

Chapter 2 Building a Simple Web Clipping Application · Writing Simple Web Pages · Running the Web Clipping Application Builder · Unwired Widgets Product List Example

Chapter 3 Building WCAs Using HTML · Starting HTML Documents with a Header · Providing HTML Content with Block and Text Markup Body Tags · Linking to Application Pages and Web Sites

Chapter 4 Using Images in Web Clipping Applications · Dealing with Limited Screen Size · Specifying Nonlinked Images · Using Colors and Grayscale · Optimizing Image Size · Using the Palm Image Checker to Validate Your Images · Adding Images to the Widget Catalog Example · Widget Banner Ads Example

Chapter 5 Interacting with Forms · Using Standard HTML Forms · Tracking Widget Inventory Example · Placing a Widget Order Example · Enhancing Forms for Clipper · Setting Delivery Dates for Widget Orders Example

Chapter 6 Optimizing WCAs for Palm OS Devices · Making Pages Useful on Both Desktop and Palm Devices · Making Unwired Widgets Pages for Both Desktop and Palm Devices · Using Tables for Page Layout · Specifying History Text · Using MAILTO Links to Send E-Mail

Chapter 7 Debugging Web Clipping Applications · Emulating Web Clipping by Using the Palm OS Emulator · Understanding the Palm.Net Proxy · Using Tools to Debug WCAs

Chapter 8 Identifying Users and Sessions · Using %DEVICEID to Uniquely Identify a Device · Identifying Sessions Using URL Rewriting · My Unwired Widgets Order Example · Identifying Sessions Using Cookies in Palm OS 4.0 · Cookie Explorer Example

Chapter 9 Locating Mobile Users · Finding a User's Position with the Palm VII · Address Locator Example · Mapping ZIP Codes to Coordinates · Determining the Closest Address · Locating the Closest Widget Outlet Example · Using Enhanced %LOCATION Information in Palm OS 4.0

Chapter 10 Integrating Web Clipping with Palm OS Applications · Launching and Sublaunching Applications · Calling Clipper from Palm OS Applications · Calling iMessenger from Palm OS Applications · Unwired Widget Application About Box Example · Calling Palm OS Applications from Web Clipping Applications · Unwired Widgets Sales Charts Example · Applying iKnapsack to Add PIM Data · Adding PIM Data for Unwired Widgets Example

Chapter 11 Using the Internet Library in Palm OS Applications · A Hello World Program · Finding and Initializing Internet Library · Creating an INetLib Connection · Moving to an Event-Driven Model · URLFetch: An Improvement on Hello World · Accessing a Server-Side Application · Receiving Responses from the Server · Authenticating the User and Device · Providing Configuration Aliases · Optimizing Transport · An Unwired Widgets Mail Reader Example · Securing Data · Testing for Proxy Issues and Known Bugs